package com.itheima.config;

import com.itheima.common.JacksonObjectMapper;
import com.itheima.interceptor.LoginCheckInterceptor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {

    @Autowired
    private LoginCheckInterceptor loginCheckInterceptor;

    //注册拦截器
    @Override
    protected void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(loginCheckInterceptor)
                .addPathPatterns("/**").excludePathPatterns(
                        "/index/getConfig",
                        "/index/login",
                        "/index/index",
                        "/index/recommend",
                        "/index/new",
                        "/index/list",
                        "/index/hot",
                        "/index/show",
                        "/index/reg",
                        "/error",
                        "/home/index/login",
                    "/user/getUserInfo"
                );
    }

    //扩展mvc框架的消息转换器
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建转换器对象
        MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();

        //设置对象转换器  将java转成json对象
        mappingJackson2HttpMessageConverter.setObjectMapper(new JacksonObjectMapper());

        //将上面的消息转换器对象追加到mvc框架的转换器集合中
        converters.add(0, mappingJackson2HttpMessageConverter);
    }
}
